1 /*
2 * Copyright © 2008 Chris Wilson
3 *
4 * Permission to use, copy, modify, distribute, and sell this software
5 * and its documentation for any purpose is hereby granted without
6 * fee, provided that the above copyright notice appear in all copies
7 * and that both that copyright notice and this permission notice
8 * appear in supporting documentation, and that the name of
9 * the author not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. The author makes no representations about the
12 * suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
14 *
15 * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL THE AUTHOR. BE LIABLE FOR ANY SPECIAL,
18 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
21 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 *
23 * Author: Chris Wilson <chris@chris-wilson.co.uk>
24 */
25
26 #include "cairo-test.h"
27
28 static void
draw_symbol(cairo_t * cr)29 draw_symbol (cairo_t *cr)
30 {
31 double dash[] = {6, 3};
32
33 cairo_rectangle (cr, -25, -25, 50, 50);
34 cairo_stroke (cr);
35
36 cairo_move_to (cr, 0, -25);
37 cairo_curve_to (cr, 12.5, -12.5, 12.5, -12.5, 0, 0);
38 cairo_curve_to (cr, -12.5, 12.5, -12.5, 12.5, 0, 25);
39 cairo_curve_to (cr, 12.5, 12.5, 12.5, 12.5, 0, 0);
40 cairo_stroke (cr);
41
42 cairo_save (cr);
43 cairo_set_dash (cr, dash, ARRAY_LENGTH (dash), 0.);
44 cairo_move_to (cr, 0, 0);
45 cairo_arc (cr, 0, 0, 12.5, 0, 3 * M_PI / 2);
46 cairo_close_path (cr);
47 cairo_stroke (cr);
48 cairo_restore (cr);
49 }
50
51 static cairo_test_status_t
draw(cairo_t * cr,int width,int height)52 draw (cairo_t *cr, int width, int height)
53 {
54 cairo_set_source_rgb (cr, 1, 1, 1);
55 cairo_paint (cr);
56
57 cairo_set_source_rgb (cr, 0, 0, 0);
58
59 cairo_save (cr);
60 cairo_translate (cr, 50, 50);
61 cairo_scale (cr, 1, 1);
62 draw_symbol (cr);
63 cairo_restore (cr);
64
65 cairo_save (cr);
66 cairo_translate (cr, 150, 50);
67 cairo_scale (cr, -1, 1);
68 draw_symbol (cr);
69 cairo_restore (cr);
70
71 cairo_save (cr);
72 cairo_translate (cr, 150, 150);
73 cairo_scale (cr, -1, -1);
74 draw_symbol (cr);
75 cairo_restore (cr);
76
77 cairo_save (cr);
78 cairo_translate (cr, 50, 150);
79 cairo_scale (cr, 1, -1);
80 draw_symbol (cr);
81 cairo_restore (cr);
82
83 return CAIRO_TEST_SUCCESS;
84 }
85
86 CAIRO_TEST (reflected_stroke,
87 "Exercises the stroker with a reflected ctm",
88 "stroke, transform", /* keywords */
89 NULL, /* requirements */
90 200, 200,
91 NULL, draw)
92